阻止访问者从我的网站保存图像 [英] Preventing a visitor from saving an image from my site

问题描述

防止使用我的专有图像有哪些有效的策略？

What are some effective strategies for preventing the use of my proprietary images?

我说的是保存它们，直接链接到它们等等......

I'm talking about saving them, direct linking to them etc...

目前我的图像上有水印，但我不愿意。

Presently I have a watermark on the image, but I'd rather not.

.NET平台首选，但是如果有另一个平台上的策略与我现有的应用程序集成，那将是一个奖励。

.NET platform preferred, but if there's a strategy that's on another platform that integrates with my existing application that'd be a bonus.

推荐答案

这是不可能的让它无法下载。当用户访问您的网站时，您正在向他们发送图片。用户将在浏览器缓存中拥有该图像的副本，并且即使在他离开网站后他也能够访问它（当然，取决于浏览器）。你唯一真正的选择是为它们添加水印：O

It's not possible to make it "impossible" to download. When a user visits your site you're sending them the pictures. The user will have a copy of that image in the browsers cache and he'd be able to access it even after he leaves the site ( depending on the browser, of course ). Your only real option is to watermark them :O

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